VizieR

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VizieR

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B/wds/wds The Washington Visual Double Star Catalog (Mason+ 2001-2020)
The Washington Double Star Catalog (main part) (154915 rows)
  recno=98805
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ColumnValue  Explain   (UCD)
_RAJ200016 54 40.0400 "h:m:s" Right ascension (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.ra)
_DEJ2000-22 02 35.200 "d:m:s" Declination (FK5, Equinox=J2000.0) at Epoch=J2000, proper motions taken into account (pos.eq.dec)
_RAB195016 51 40.4636 "h:m:s" Right ascension (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.ra)
_DEB1950-21 57 46.891 "d:m:s" Declination (FK4, Equinox=B1950.0) at Epoch=J1950, proper motions taken into account (pos.eq.dec)
_Glon359.2067433 deg Galactic longitude at Epoch=J2000, proper motions taken into account (pos.galactic.lon)
_Glat+13.3692495 deg Galactic latitude at Epoch=J2000, proper motions taken into account (pos.galactic.lat)
98805recno 98805  Record number assigned by the VizieR team. Should Not be used for identification. (meta.record)

WDS16547-2203  (i) WDS name (based on J2000 position) (meta.id;meta.main)
DiscBU 123  Discoverer Code (1 to 4 letters) and Number (Note 5)   (meta.id)
Comp   Components when more than 2 (Note 1)   (meta.code.multip)
Obs11873 yr Date of first satisfactory observation (time.epoch)
Obs22016 yr Date of last satisfactory observation (time.epoch)
Nobs 26  Number of Observations (up to 9999) (meta.number)
pa1210 deg Position Angle at date Obs1 (Note 2)   (pos.posAng)
pa2197 deg Position Angle at date Obs2 (Note 2)   (pos.posAng)
sep1 2.0 arcsec Separation at date Obs1 (pos.angDistance;src.orbital)
sep2 1.40 arcsec Separation at date Obs12 (pos.angDistance;src.orbital)
mag1 9.180 mag Magnitude of First Component (phot.mag;em.opt)
mag2 9.28 mag Magnitude of Second Component (phot.mag;em.opt)
SpTypeA5V  Spectral Type (Primary/Secondary) (src.spType)
pmRA1 -18 mas/yr Primary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE1 -3 mas/yr Primary Proper Motion (Dec) (pos.pm;pos.eq.dec)
pmRA2 -18 mas/yr Secondary Proper Motion (RA) (pos.pm;pos.eq.ra)
pmDE2 -3 mas/yr Secondary Proper Motion (Dec) (pos.pm;pos.eq.dec)
DM-21 4442  Durchmusterung Number (Note 3)   (meta.id)
Notes    [B-Z ] Notes about the binary (Note 4)   (meta.note)
n_RAJ2000    [!P] indicates a position derived from WDS name (meta.note)
RAJ200016 54 40.04 "h:m:s" (i) Right Ascension J2000 (Ep=J2000, hours) (pos.eq.ra;meta.main)
DEJ2000-22 02 35.2 "d:m:s" (i) Declination J2000 (Ep=J2000, degrees) (pos.eq.dec;meta.main)
  
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